#!/usr/bin/perl -w

use strict;
use CGI qw(-oldstyle_urls :standard);
use CGI::Carp qw(fatalsToBrowser);
use File::Find;
use File::stat;
use Time::localtime;

my $mytime=(time);
my $file_stat;

my $dir_session = "../sessions";

print header();

opendir(DIR, $dir_session) or die "Couldn't open directory, $!";
  
 while (my $sessions = readdir DIR) {
    if($sessions=~ /^cgisess_[a-f0-9]{32}$/) {
      CGI::Session->find( \&purge );
     } 
  }
closedir DIR;
   
sub purge {
        my ($session) = @_;
        next if $session->is_empty;    # <-- already expired?!
        if ( ($session->ctime + 60*55) <= time() ) {
            $session->delete();
            $session->flush(); # Recommended practice says use flush()
+ after delete().
        }

}
[download]

Any suggestions? Thanks!

Get rid of all opendir/readdir... its just clutter

If you want CGI::Session to look for sessions $dir_session, you have to call ->find with the appropriate arguments